25264603 has 16 divisors (see below), whose sum is σ = 32449536. Its totient is φ = 19118880.

The previous prime is 25264579. The next prime is 25264627. The reversal of 25264603 is 30646252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25264579) and next prime (25264627).

It is a cyclic number.

It is not a de Polignac number, because 25264603 - 2⁵ = 25264571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25264663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3943 + ... + 8128.

It is an arithmetic number, because the mean of its divisors is an integer number (2028096).

Almost surely, 2^25264603 is an apocalyptic number.

25264603 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25264603 is a deficient number, since it is larger than the sum of its proper divisors (7184933).

25264603 is a wasteful number, since it uses less digits than its factorization.

25264603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12114.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 25264603 is about 5026.3906533416. The cubic root of 25264603 is about 293.4297606821.

It can be divided in two parts, 25 and 264603, that added together give a triangular number (264628 = T₇₂₇).

The spelling of 25264603 in words is "twenty-five million, two hundred sixty-four thousand, six hundred three".